| 1. Robert Lee Zwick |
 |
| B: |
19 May 1944 |
| P: |
West Virginia, USA |
| D: |
23 Aug 1976 |
| P: |
West Virginia, USA |
|
| 2. Clarence Edward Zwick |
|
| B: |
19 Jan 1902 |
| P: |
West Virginia, USA |
| M: |
21 Aug 1928 |
| P: |
|
| D: |
18 Jun 1968 |
| P: |
Chester, Hancock County, West Virginia, USA |
|
| 4. Martin Zwick |
|
| B: |
4 Apr 1870 |
| P: |
Bethel Township, Monroe County, Ohio, USA |
| M: |
13 Sep 1899 |
| P: |
Ohio, USA |
| D: |
6 May 1914 |
| P: |
Massillon, Stark County, Ohio, USA |
|
| 8. Markus Zwick |
=> |
|
| B: |
24 Apr 1838 |
| P: |
Bruchweiler-Bärenbach, Pfalz, Bayern |
| M: |
25 May 1863 |
| P: |
Ohio, USA |
| D: |
25 Jan 1925 |
| P: |
Louisville, Stark County, Ohio, USA |
|
1944 - 1976 (32 years)